Hardware Spec Index

Teralux FN-1646 Ultra 140mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN1646-ULTRA · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index947 (Case Fans scale)
Category rank#23,540
Street price$29
Power4 W
Performance per dollar32.66
Released2020

Specifications

BrandTeralux
ModelTeralux FN-1646 Ultra
Size140 × 140 × 25 mm
Speed400–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise22 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-1646 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/724715 (accessed 2026-10-24).